A/or缩写的意思

DS bend AISI CBF CBL GPH CP PF VLP IB W.C. bldg. gym q.v. vac EO Lab PZG s.c. N/U XS Snafu WTS MSG P/T MW ESL LPH o/a acc.cop. A/W RM Bk. QFII UL ID BBQ USG PP MIL ACG P. B.J.P.I.S dz PA BDL TAM d/w APC WMP n.e. eo LIM TM prev IAC NomCom fxd ac DEV